3M 6M 12M 24M
OSCA New : EPCO 2000 0.259 0.313 0.299 0.482
OSCA Single : EPCO 2000 0.350 0.418 0.392 0.589
M: Months
Table 4: Correlation between EPCO 2000 and OSCA (Pearson correlation coefficients at each follow-up visit).